using System;

using System.Security.Cryptography;

using System.Text;

public class Program

{

    public static void Main()

    {

         RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider();

                rsaKey.FromXmlString("<RSAKeyValue><Modulus>lxoTe1uE+ZDFyjNVKRR3K/dGSq/lHuyO+R3JeQKYu1Ks1kJfDrBWnmxmkHSA1WdsoLA5GtskmO+a1YogldDVQp6qHWyb8S3SjnnHxDtxPm9qbpdtRDeRAacvSj/118VF3hM3JVG/Dd3D887aKAvyjkUcZ4ZzaAgylM6ZLPdbSP8=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>");

                UnicodeEncoding enc = new UnicodeEncoding();

                byte[] encryptedPassword;

                var passwordToHash = "Concrete1000";

                encryptedPassword = rsaKey.Encrypt(enc.GetBytes(passwordToHash), false);

                Console.WriteLine(Convert.ToBase64String(encryptedPassword));

    }

}